Home / 224,262.72-309,480.30-122,287.93

Finding the Fourth Proportional to 224,262.72, 309,480.30 and 122,287.93

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Solution

The fourth proportional to 224,262.72, 309,480.30 and 122,287.93 is: 168,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,262.72 : 309,480.30 = 122,287.93 : x
  2. Step 2: Convert to fraction form
    224,262.72/309,480.30 = 122,287.93/x
  3. Step 3: Cross multiply
    224,262.72x = 309,480.30 × 122,287.93
  4. Step 4: Simplify right side
    224,262.72x = 37,845,704,489.08
  5. Step 5: Solve for x
    x = 37,845,704,489.08/224,262.72
  6. Step 6: Final answer
    x = 168,756.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.